Atec Narda-EHP-50D - Manual (Page 9)

EHP-50D 04-11 9 / 12 Subject to change without notice
EHP-50D
GENERAL SPECIFICATIONS Electric Field Magnetic Field
Calibration Internal E 2 PROM
Typical temperature deviation
@ 55 Hz referred to 23°C
(@ 50% of relative humidity when
applicable)
-4x10 -3 dB/°C between -20 and +55 °C
-8x10 -3 dB/°C between -20 and +23 °C
+13x10 -3 dB/°C between 23 and 55 °C
Typycal relative humidity deviation
@ 55 Hz referred to 50%
(@ 23 °C)
+11x10 -3 dB/% between 10 and 50 %
+22x10 -3 dB/% between 50 and 90 %
-7x10 -3 dB/% between 10 and 50 %
+10x10 -3 dB/% between 50 and 90 %
Internal battery 3.7 V / 5.4 Ah Li-Ion, rechargeable
Operating time
>9 hours in standard mode
24 hours in stand alone mode
Recharging time < 6 hours
External supply 10 ÷ 15 VDC, I = approx. 500 mA
Optical fiber connection
Up to 40 m (USB-OC)
Up to 80 m (8053-OC)
Firmware updating Via the USB or RS232 optical link
Self test Automatic at power on
Operating temperature -20 to +55 °C
Operating relative humidity 0 to 95 % (without condensation)
Charging temperature 0 to +40°C
Storage temperature -30 to +75°C
Tripod support Threaded insert ¼”
Dimensions 92 x 92 x 109 mm
Weight 550 g
Recommended calibration interval 24 months
Country of origin Italy